/*
 * Copyright 2008 The Apache Software Foundation Licensed under the Apache
 * License, Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law
 * or agreed to in writing, software distributed under the License is
 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */

package org.apache.ibatis.ibator.generator.ibatis2.sqlmap.elements;

import org.apache.ibatis.ibator.api.dom.xml.Attribute;
import org.apache.ibatis.ibator.api.dom.xml.TextElement;
import org.apache.ibatis.ibator.api.dom.xml.XmlElement;
import org.apache.ibatis.ibator.generator.XmlConstants;
import org.apache.ibatis.ibator.internal.util.StringUtility;

/**
 * @author Jeff Butler
 */
public class SelectByExampleWithoutBLOBsElementGenerator extends
		AbstractXmlElementGenerator
{

	public SelectByExampleWithoutBLOBsElementGenerator()
	{
		super();
	}

	@Override
	public void addElements(XmlElement parentElement)
	{
		XmlElement answer = new XmlElement("select"); //$NON-NLS-1$

		answer.addAttribute(new Attribute("id", //$NON-NLS-1$
				introspectedTable.getIbatis2SqlMapNamespace() + "."
						+ introspectedTable.getSelectByExampleStatementId()));
		answer.addAttribute(new Attribute(
				"resultMap", introspectedTable.getBaseResultMapId())); //$NON-NLS-1$
		answer.addAttribute(new Attribute(
				"parameterClass", introspectedTable.getExampleType())); //$NON-NLS-1$

		ibatorContext.getCommentGenerator().addComment(answer);

		answer.addElement(new TextElement("select")); //$NON-NLS-1$
		XmlElement isParameterPresent = new XmlElement("isParameterPresent"); //$NON-NLS-1$
		XmlElement isEqualElement = new XmlElement("isEqual"); //$NON-NLS-1$
		isEqualElement.addAttribute(new Attribute("property", "distinct")); //$NON-NLS-1$ //$NON-NLS-2$
		isEqualElement.addAttribute(new Attribute("compareValue", "true")); //$NON-NLS-1$ //$NON-NLS-2$
		isEqualElement.addElement(new TextElement("distinct")); //$NON-NLS-1$
		isParameterPresent.addElement(isEqualElement);
		answer.addElement(isParameterPresent);

		StringBuilder sb = new StringBuilder();
		if (StringUtility.stringHasValue(introspectedTable
				.getSelectByExampleQueryId()))
		{
			sb.append('\'');
			sb.append(introspectedTable.getSelectByExampleQueryId());
			sb.append("' as QUERYID,"); //$NON-NLS-1$
			answer.addElement(new TextElement(sb.toString()));
		}

		answer.addElement(getBaseColumnListElement());

		sb.setLength(0);
		sb.append("from "); //$NON-NLS-1$
		sb.append(introspectedTable
				.getAliasedFullyQualifiedTableNameAtRuntime());
		answer.addElement((new TextElement(sb.toString())));

		XmlElement isParameterPresenteElement = new XmlElement(
				"isParameterPresent"); //$NON-NLS-1$
		answer.addElement(isParameterPresenteElement);

		XmlElement includeElement = new XmlElement("include"); //$NON-NLS-1$
		includeElement.addAttribute(new Attribute("refid", //$NON-NLS-1$
				XmlConstants.COMMON
						+ "." + introspectedTable.getExampleWhereClauseId())); //$NON-NLS-1$
		isParameterPresenteElement.addElement(includeElement);

		XmlElement isNotNullElement = new XmlElement("isNotNull"); //$NON-NLS-1$
		isNotNullElement
				.addAttribute(new Attribute("property", "orderByClause")); //$NON-NLS-1$ //$NON-NLS-2$
		isNotNullElement.addElement(new TextElement(
				"<![CDATA[ order by $orderByClause$ ]]>")); //$NON-NLS-1$
		isParameterPresenteElement.addElement(isNotNullElement);

		if (ibatorContext.getPlugins()
				.sqlMapSelectByExampleWithoutBLOBsElementGenerated(answer,
						introspectedTable))
		{
			parentElement.addElement(answer);
		}
	}
}
